Revert "Fix Sound/NavBar Holo toggle - Update WiFi/Signal icons"
Partial revert to stock Wifi and Signal icons
This reverts commit 33d1cdb92bfcd48bf04240481ddb55bbb87cf97b.

Conflicts:

	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsModel.java

Change-Id: Ice90d61ecc97d240aa8be9bd2b92fa4d128316f0